BridgeCom Systems AT-D878UVII デジタル DMR デュアルバンド ハンドヘルド商用無線機 設置ガイド
AT-D878UVII Digital DMR Dual Band Handheld Commercial Radio Important Notice: After update the firmware, you need to do the reset to the radio first, power off the radio first. Then power it on while holding the PTT and the PF1…